How to determine the dosage of Ospamox for a child in pharyngitis?

According to the Summary of Product Characteristics: Persons weighing less than 40 kg: Acute streptococcal tonsillitis and pharyngitis about 70 mg amoxicillin /kg b.w./day in divided doses We know that 100 mg is in 1 ml or 70 mg x 30 kg = 210 mg , and this is 10.5 ml in divided doses; To sum up, you can give 5 ml of Ospamox every 12 hours. More information about the drug: https://www.gdziepolek.pl/produkty/58154/ospamox-500-mg-5-ml-proszek-do-wytworzenia-zawiesiny/apteki Article: https://www.gdziepolek.pl/artykuly/jak-bezstresowo-podac-lek-dziecku